Malleable Iron Pipe Fittings, Grooved Pipe Fittings, Valve manufacturer / supplier in China, offering Kanaifu Black Malleable Iron Casting Galvanized Water Pipe Fitting Nipple Coupling Union with FM UL, Kanaifu Flange Grooved Connection Adaptor Fire Pipe Fitting Flange, Casting Flange, Kanaifu Water System Grooved Plastic-Lined Pipe Fitting Elbow with FM UL and so on.